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Official data from INPI

TRANSMISSÃO DE MUDANÇAS DE VELOCIDADE.

Em AnáliseInvention Patent

Application data

Number

PI7905288

Type

Invention Patent

Filing

08/15/1979

Publication

-

Progress at the INPI

  1. Filing08/15/79
  2. Publication
  3. Examination05/18/82
  4. Allowance07/12/83
  5. Grant01/31/84
  6. Expired04/18/95

The letters patent expired on 04/18/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/27/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. C. (pessoa física)

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Inventors

B. E. (pessoa física)

R. E. (pessoa física)

Technical data

Priority claims

US

934.102 · 08/15/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.7

08/27/1985

RPI 775

Concessão da patente

#16.1

01/31/1984

RPI 693

Notificação para pagamento de retribuição

#13.1

11/08/1983

RPI 681

Deferimento

#9.1

07/12/1983

RPI 664

Exigência - art. 36 da LPI

#6.1

12/21/1982

RPI 635

Solicitação de exame técnico

#4.1

05/18/1982

RPI 604

Carta-patente expirada

#21.1

04/18/1995

RPI 1272

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